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Technical Data Sheet
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23011029 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

23011029: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.312 INCHES NOMINAL IN, head_diameter: 0.312 INCHES NOMINAL IN, thread_length: 1.180 INCHES NOMINAL IN, fastener_length: 1.290 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-079-4754, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
23011029
NSN: 5306-01-079-4754
FSC: 5306 — Bolts
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleROUND W/WRENCH FLATS
head_height0.312 INCHES NOMINAL IN
head_diameter0.312 INCHES NOMINAL IN
thread_length1.180 INCHES NOMINAL IN
fastener_length1.290 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.312 INCHES NOMINAL IN
first_diameter_from_head0.160 INCHES NOMINAL IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
externally_relieved_body_diameter_quantity1
distance_from_largest_bearing_surface_of_head_to_end_of_first_diameter0.190 INCHES NOMINAL IN
NSN5306-01-079-4754
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 23011029 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.312 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.290 INCHES NOMINAL IN
•
THREAD LENGTH: 1.180 INCHES NOMINAL IN
•
FIRST DIAMETER FROM HEAD: 0.160 INCHES NOMINAL IN
•
HEAD STYLE: ROUND W/WRENCH FLATS
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.312 INCHES NOMINAL IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER: 0.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.312 INCHES NOMINAL IN
FASTENER LENGTH1.290 INCHES NOMINAL IN
THREAD LENGTH1.180 INCHES NOMINAL IN
FIRST DIAMETER FROM HEAD0.160 INCHES NOMINAL IN
HEAD STYLEROUND W/WRENCH FLATS
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.190 INCHES NOMINAL IN
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES 1
EX94290Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 23011029?
23011029 is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 23011029?
There is 1 known substitute for 23011029: EX94290. Substitute compatibility should be verified for your specific system.
What is the NSN for 23011029?
23011029 is cataloged in the U.S. Government catalog under NSN 5306-01-079-4754. This indicates validated use in U.S. government and defense supply chains.
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